Index: sandbox/src/libraries/core/Identifier.h
===================================================================
--- sandbox/src/libraries/core/Identifier.h	(revision 5782)
+++ sandbox/src/libraries/core/Identifier.h	(revision 6038)
@@ -29,5 +29,5 @@
 /**
     @file
-    @brief Definition of the Identifier, ClassIdentifier and SubclassIdentifier classes, implementation of the ClassIdentifier and SubclassIdentifier classes.
+    @brief Definition of the Identifier class, definition and implementation of the ClassIdentifier class.
 
     The Identifier contains all needed information about the class it belongs to:
@@ -45,7 +45,4 @@
 
     Every Identifier is in fact a ClassIdentifier, but they are derived from Identifier.
-
-    SubclassIdentifier is a separated class, acting like an Identifier, but has a given class.
-    You can only assign Identifiers of exactly the given class or of a derivative to a SubclassIdentifier.
 */
 
@@ -89,14 +86,22 @@
     class _CoreExport Identifier
     {
-        template <class T>
-        friend class SubclassIdentifier;
-
-        friend class Factory;
-
         public:
+            /** @brief Returns the name of the class the Identifier belongs to. @return The name */
+            inline const std::string& getName() const { return this->name_; }
+            void setName(const std::string& name);
+
+            /** @brief Returns the unique ID of the class */
+            FORCEINLINE unsigned int getClassID() const { return this->classID_; }
+
+            /** @brief Returns the list of all existing objects of this class. @return The list */
+            inline ObjectListBase* getObjects() const { return this->objects_; }
+
             /** @brief Sets the Factory. @param factory The factory to assign */
-            inline void addFactory(BaseFactory* factory) { this->factory_ = factory; }
+            inline void addFactory(Factory* factory) { this->factory_ = factory; }
+            /** @brief Returns true if the Identifier has a Factory. */
+            inline bool hasFactory() const { return (this->factory_ != 0); }
 
             BaseObject* fabricate(BaseObject* creator);
+
             bool isA(const Identifier* identifier) const;
             bool isExactlyA(const Identifier* identifier) const;
@@ -106,13 +111,12 @@
             bool isDirectParentOf(const Identifier* identifier) const;
 
-            /** @brief Returns the list of all existing objects of this class. @return The list */
-            inline ObjectListBase* getObjects() const
-                { return this->objects_; }
-
-            /** @brief Returns the name of the class the Identifier belongs to. @return The name */
-            inline const std::string& getName() const { return this->name_; }
-            void setName(const std::string& name);
-
-            virtual void updateConfigValues(bool updateChildren = true) const = 0;
+
+            /////////////////////////////
+            ////// Class Hierarchy //////
+            /////////////////////////////
+            static void createClassHierarchy();
+
+            /** @brief Returns true, if a branch of the class-hierarchy is being created, causing all new objects to store their parents. @return The status of the class-hierarchy creation */
+            inline static bool isCreatingHierarchy() { return (hierarchyCreatingCounter_s > 0); }
 
             /** @brief Returns the parents of the class the Identifier belongs to. @return The list of all parents */
@@ -124,9 +128,9 @@
 
             /** @brief Returns the children of the class the Identifier belongs to. @return The list of all children */
-            inline const std::set<const Identifier*>& getChildren() const { return (*this->children_); }
+            inline const std::set<const Identifier*>& getChildren() const { return this->children_; }
             /** @brief Returns the begin-iterator of the children-list. @return The begin-iterator */
-            inline std::set<const Identifier*>::const_iterator getChildrenBegin() const { return this->children_->begin(); }
+            inline std::set<const Identifier*>::const_iterator getChildrenBegin() const { return this->children_.begin(); }
             /** @brief Returns the end-iterator of the children-list. @return The end-iterator */
-            inline std::set<const Identifier*>::const_iterator getChildrenEnd() const { return this->children_->end(); }
+            inline std::set<const Identifier*>::const_iterator getChildrenEnd() const { return this->children_.end(); }
 
             /** @brief Returns the direct parents of the class the Identifier belongs to. @return The list of all direct parents */
@@ -138,25 +142,51 @@
 
             /** @brief Returns the direct children the class the Identifier belongs to. @return The list of all direct children */
-            inline const std::set<const Identifier*>& getDirectChildren() const { return (*this->directChildren_); }
+            inline const std::set<const Identifier*>& getDirectChildren() const { return this->directChildren_; }
             /** @brief Returns the begin-iterator of the direct-children-list. @return The begin-iterator */
-            inline std::set<const Identifier*>::const_iterator getDirectChildrenBegin() const { return this->directChildren_->begin(); }
+            inline std::set<const Identifier*>::const_iterator getDirectChildrenBegin() const { return this->directChildren_.begin(); }
             /** @brief Returns the end-iterator of the direct-children-list. @return The end-iterator */
-            inline std::set<const Identifier*>::const_iterator getDirectChildrenEnd() const { return this->directChildren_->end(); }
-
-
-            /** @brief Returns the map that stores all Identifiers. @return The map */
-            static inline const std::map<std::string, Identifier*>& getIdentifierMap() { return Identifier::getIdentifierMapIntern(); }
-            /** @brief Returns a const_iterator to the beginning of the map that stores all Identifiers. @return The const_iterator */
-            static inline std::map<std::string, Identifier*>::const_iterator getIdentifierMapBegin() { return Identifier::getIdentifierMap().begin(); }
-            /** @brief Returns a const_iterator to the end of the map that stores all Identifiers. @return The const_iterator */
-            static inline std::map<std::string, Identifier*>::const_iterator getIdentifierMapEnd() { return Identifier::getIdentifierMap().end(); }
+            inline std::set<const Identifier*>::const_iterator getDirectChildrenEnd() const { return this->directChildren_.end(); }
+
+
+            //////////////////////////
+            ///// Identifier Map /////
+            //////////////////////////
+            static void destroyAllIdentifiers();
+
+            static Identifier* getIdentifierByString(const std::string& name);
+            static Identifier* getIdentifierByLowercaseString(const std::string& name);
+            static Identifier* getIdentifierByID(uint32_t id);
+
+            static void clearNetworkIDs();
+
+            /** @brief Returns the map that stores all Identifiers with their names. @return The map */
+            static inline const std::map<std::string, Identifier*>& getStringIdentifierMap() { return Identifier::getStringIdentifierMapIntern(); }
+            /** @brief Returns a const_iterator to the beginning of the map that stores all Identifiers with their names. @return The const_iterator */
+            static inline std::map<std::string, Identifier*>::const_iterator getStringIdentifierMapBegin() { return Identifier::getStringIdentifierMap().begin(); }
+            /** @brief Returns a const_iterator to the end of the map that stores all Identifiers with their names. @return The const_iterator */
+            static inline std::map<std::string, Identifier*>::const_iterator getStringIdentifierMapEnd() { return Identifier::getStringIdentifierMap().end(); }
 
             /** @brief Returns the map that stores all Identifiers with their names in lowercase. @return The map */
-            static inline const std::map<std::string, Identifier*>& getLowercaseIdentifierMap() { return Identifier::getLowercaseIdentifierMapIntern(); }
+            static inline const std::map<std::string, Identifier*>& getLowercaseStringIdentifierMap() { return Identifier::getLowercaseStringIdentifierMapIntern(); }
             /** @brief Returns a const_iterator to the beginning of the map that stores all Identifiers with their names in lowercase. @return The const_iterator */
-            static inline std::map<std::string, Identifier*>::const_iterator getLowercaseIdentifierMapBegin() { return Identifier::getLowercaseIdentifierMap().begin(); }
+            static inline std::map<std::string, Identifier*>::const_iterator getLowercaseStringIdentifierMapBegin() { return Identifier::getLowercaseStringIdentifierMap().begin(); }
             /** @brief Returns a const_iterator to the end of the map that stores all Identifiers with their names in lowercase. @return The const_iterator */
-            static inline std::map<std::string, Identifier*>::const_iterator getLowercaseIdentifierMapEnd() { return Identifier::getLowercaseIdentifierMap().end(); }
-
+            static inline std::map<std::string, Identifier*>::const_iterator getLowercaseStringIdentifierMapEnd() { return Identifier::getLowercaseStringIdentifierMap().end(); }
+
+            /** @brief Returns the map that stores all Identifiers with their IDs. @return The map */
+            static inline const std::map<uint32_t, Identifier*>& getIDIdentifierMap() { return Identifier::getIDIdentifierMapIntern(); }
+            /** @brief Returns a const_iterator to the beginning of the map that stores all Identifiers with their IDs. @return The const_iterator */
+            static inline std::map<uint32_t, Identifier*>::const_iterator getIDIdentifierMapBegin() { return Identifier::getIDIdentifierMap().begin(); }
+            /** @brief Returns a const_iterator to the end of the map that stores all Identifiers with their IDs. @return The const_iterator */
+            static inline std::map<uint32_t, Identifier*>::const_iterator getIDIdentifierMapEnd() { return Identifier::getIDIdentifierMap().end(); }
+
+
+            /////////////////////////
+            ///// Config Values /////
+            /////////////////////////
+            virtual void updateConfigValues(bool updateChildren = true) const = 0;
+
+            /** @brief Returns true if this class has at least one config value. @return True if this class has at least one config value */
+            inline bool hasConfigValues() const { return this->bHasConfigValues_; }
 
             /** @brief Returns the map that stores all config values. @return The const_iterator */
@@ -174,21 +204,8 @@
             inline std::map<std::string, ConfigValueContainer*>::const_iterator getLowercaseConfigValueMapEnd() const { return this->configValues_LC_.end(); }
 
-
-            /** @brief Returns true if this class has at least one config value. @return True if this class has at least one config value */
-            inline bool hasConfigValues() const { return this->bHasConfigValues_; }
-
-            /** @brief Returns true, if a branch of the class-hierarchy is being created, causing all new objects to store their parents. @return The status of the class-hierarchy creation */
-            inline static bool isCreatingHierarchy() { return (hierarchyCreatingCounter_s > 0); }
-
-            /** @brief Returns the unique ID of the class */
-            FORCEINLINE unsigned int getClassID() const { return this->classID_; }
-
             void addConfigValueContainer(const std::string& varname, ConfigValueContainer* container);
             ConfigValueContainer* getConfigValueContainer(const std::string& varname);
             ConfigValueContainer* getLowercaseConfigValueContainer(const std::string& varname);
 
-            void initializeClassHierarchy(std::set<const Identifier*>* parents, bool bRootClass);
-
-            static void destroyAllIdentifiers();
 
         protected:
@@ -199,34 +216,25 @@
             static Identifier* getIdentifierSingleton(const std::string& name, Identifier* proposal);
 
-            /** @brief Returns the map that stores all Identifiers. @return The map */
-            static std::map<std::string, Identifier*>& getIdentifierMapIntern();
+            void initializeClassHierarchy(std::set<const Identifier*>* parents, bool bRootClass);
+
+            /** @brief Returns the map that stores all Identifiers with their names. @return The map */
+            static std::map<std::string, Identifier*>& getStringIdentifierMapIntern();
             /** @brief Returns the map that stores all Identifiers with their names in lowercase. @return The map */
-            static std::map<std::string, Identifier*>& getLowercaseIdentifierMapIntern();
+            static std::map<std::string, Identifier*>& getLowercaseStringIdentifierMapIntern();
+            /** @brief Returns the map that stores all Identifiers with their network IDs. @return The map */
+            static std::map<uint32_t, Identifier*>& getIDIdentifierMapIntern();
 
             /** @brief Returns the children of the class the Identifier belongs to. @return The list of all children */
-            inline std::set<const Identifier*>& getChildrenIntern() const { return (*this->children_); }
+            inline std::set<const Identifier*>& getChildrenIntern() const { return this->children_; }
             /** @brief Returns the direct children of the class the Identifier belongs to. @return The list of all direct children */
-            inline std::set<const Identifier*>& getDirectChildrenIntern() const { return (*this->directChildren_); }
+            inline std::set<const Identifier*>& getDirectChildrenIntern() const { return this->directChildren_; }
 
             ObjectListBase* objects_;                                      //!< The list of all objects of this class
 
         private:
-            /**
-                @brief Increases the hierarchyCreatingCounter_s variable, causing all new objects to store their parents.
-            */
-            inline static void startCreatingHierarchy()
-            {
-                hierarchyCreatingCounter_s++;
-                COUT(4) << "*** Identifier: Increased Hierarchy-Creating-Counter to " << hierarchyCreatingCounter_s << std::endl;
-            }
-
-            /**
-                @brief Decreases the hierarchyCreatingCounter_s variable, causing the objects to stop storing their parents.
-            */
-            inline static void stopCreatingHierarchy()
-            {
-                hierarchyCreatingCounter_s--;
-                COUT(4) << "*** Identifier: Decreased Hierarchy-Creating-Counter to " << hierarchyCreatingCounter_s << std::endl;
-            }
+            /** @brief Increases the hierarchyCreatingCounter_s variable, causing all new objects to store their parents. */
+            inline static void startCreatingHierarchy() { hierarchyCreatingCounter_s++; }
+            /** @brief Decreases the hierarchyCreatingCounter_s variable, causing the objects to stop storing their parents. */
+            inline static void stopCreatingHierarchy()  { hierarchyCreatingCounter_s--; }
 
             static std::map<std::string, Identifier*>& getTypeIDIdentifierMap();
@@ -235,13 +243,13 @@
 
             std::set<const Identifier*> parents_;                          //!< The parents of the class the Identifier belongs to
-            std::set<const Identifier*>* children_;                        //!< The children of the class the Identifier belongs to
+            mutable std::set<const Identifier*> children_;                 //!< The children of the class the Identifier belongs to
 
             std::set<const Identifier*> directParents_;                    //!< The direct parents of the class the Identifier belongs to
-            std::set<const Identifier*>* directChildren_;                  //!< The direct children of the class the Identifier belongs to
+            mutable std::set<const Identifier*> directChildren_;           //!< The direct children of the class the Identifier belongs to
 
             bool bCreatedOneObject_;                                       //!< True if at least one object of the given type was created (used to determine the need of storing the parents)
             bool bSetName_;                                                //!< True if the name is set
             std::string name_;                                             //!< The name of the class the Identifier belongs to
-            BaseFactory* factory_;                                         //!< The Factory, able to create new objects of the given class (if available)
+            Factory* factory_;                                             //!< The Factory, able to create new objects of the given class (if available)
             static int hierarchyCreatingCounter_s;                         //!< Bigger than zero if at least one Identifier stores its parents (its an int instead of a bool to avoid conflicts with multithreading)
             const unsigned int classID_;                                   //!< Uniquely identifies a class (might not be the same as the networkID_)
@@ -302,6 +310,6 @@
     inline ClassIdentifier<T>* ClassIdentifier<T>::getIdentifier()
     {
-        // check if the static field has already been filled
-        if (ClassIdentifier<T>::classIdentifier_s == 0)
+        // check if the Identifier already exists
+        if (!ClassIdentifier<T>::classIdentifier_s)
             ClassIdentifier<T>::initialiseIdentifier();
 
@@ -430,129 +438,4 @@
 #endif
     }
-
-
-    // ###############################
-    // ###   SubclassIdentifier    ###
-    // ###############################
-    //! The SubclassIdentifier acts almost like an Identifier, but has some prerequisites.
-    /**
-        You can only assign an Identifier that belongs to a class T (or derived) to a SubclassIdentifier<T>.
-        If you assign something else, the program aborts.
-        Because we know the minimum type, a dynamic_cast is done, which makes it easier to create a new object.
-    */
-    template <class T>
-    class SubclassIdentifier
-    {
-        public:
-            /**
-                @brief Constructor: Automaticaly assigns the Identifier of the given class.
-            */
-            SubclassIdentifier()
-            {
-                this->identifier_ = ClassIdentifier<T>::getIdentifier();
-            }
-
-            /**
-                @brief Copyconstructor: Assigns the given Identifier.
-                @param identifier The Identifier
-            */
-            SubclassIdentifier(Identifier* identifier)
-            {
-                this->operator=(identifier);
-            }
-
-            /**
-                @brief Overloading of the = operator: assigns the identifier and checks its type.
-                @param identifier The Identifier to assign
-                @return The SubclassIdentifier itself
-            */
-            SubclassIdentifier<T>& operator=(Identifier* identifier)
-            {
-                if (!identifier || !identifier->isA(ClassIdentifier<T>::getIdentifier()))
-                {
-                    COUT(1) << "An error occurred in SubclassIdentifier (Identifier.h):" << std::endl;
-                    if (identifier)
-                    {
-                        COUT(1) << "Error: Class " << identifier->getName() << " is not a " << ClassIdentifier<T>::getIdentifier()->getName() << "!" << std::endl;
-                        COUT(1) << "Error: SubclassIdentifier<" << ClassIdentifier<T>::getIdentifier()->getName() << "> = Class(" << identifier->getName() << ") is forbidden." << std::endl;
-                    }
-                    else
-                    {
-                        COUT(1) << "Error: Can't assign NULL identifier" << std::endl;
-                    }
-                }
-                else
-                {
-                    this->identifier_ = identifier;
-                }
-                return *this;
-            }
-
-            /**
-                @brief Overloading of the * operator: returns the assigned identifier.
-            */
-            inline Identifier* operator*() const
-            {
-                return this->identifier_;
-            }
-
-            /**
-                @brief Overloading of the -> operator: returns the assigned identifier.
-            */
-            inline Identifier* operator->() const
-            {
-                return this->identifier_;
-            }
-
-            /**
-                @brief Returns the assigned identifier. This allows you to assign a SubclassIdentifier to a normal Identifier*.
-            */
-            inline operator Identifier*() const
-            {
-                return this->identifier_;
-            }
-
-            /**
-                @brief Creates a new object of the type of the assigned Identifier and dynamic_casts it to the minimal type given by T.
-                @return The new object
-            */
-            T* fabricate(BaseObject* creator) const
-            {
-                BaseObject* newObject = this->identifier_->fabricate(creator);
-
-                // Check if the creation was successful
-                if (newObject)
-                {
-                    return orxonox_cast<T*>(newObject);
-                }
-                else
-                {
-                    // Something went terribly wrong
-                    if (this->identifier_)
-                    {
-                        COUT(1) << "An error occurred in SubclassIdentifier (Identifier.h):" << std::endl;
-                        COUT(1) << "Error: Class " << this->identifier_->getName() << " is not a " << ClassIdentifier<T>::getIdentifier()->getName() << "!" << std::endl;
-                        COUT(1) << "Error: Couldn't fabricate a new Object." << std::endl;
-                        COUT(1) << "Aborting..." << std::endl;
-                    }
-                    else
-                    {
-                        COUT(1) << "An error occurred in SubclassIdentifier (Identifier.h):" << std::endl;
-                        COUT(1) << "Error: Couldn't fabricate a new Object - Identifier is undefined." << std::endl;
-                        COUT(1) << "Aborting..." << std::endl;
-                    }
-
-                    assert(false);
-                    return 0;
-                }
-            }
-
-            /** @brief Returns the assigned identifier. @return The identifier */
-            inline Identifier* getIdentifier() const
-                { return this->identifier_; }
-
-        private:
-            Identifier* identifier_;            //!< The assigned identifier
-    };
 }
 
